title: [Determination of the respiratory gas concentration and of pulmonary ventilation volumes by using a mass spectrometer].
mesh_terms: D001128:Argon / Q000032:analysis; D002245:Carbon Dioxide / Q000032:analysis*; D006801:Humans; D008176:Lung Volume Measurements / Q000295:instrumentation* / Q000379:methods; D013058:Mass Spectrometry / Q000295:instrumentation* / Q000379:methods; D009584:Nitrogen / Q000032:analysis; D010100:Oxygen / Q000032:analysis*; D014692:Ventilation-Perfusion Ratio
chemical_list: D002245:Carbon Dioxide; D001128:Argon; D009584:Nitrogen; D010100:Oxygen
vernacular_title: Opredelenie kontsentratsii dykhatel'nykh gazov i ob"emov legochnoĭ ventiliatsii mass-spektrometrom.